<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <!-- 放置标题图片 @是设置的别名-->
      <div class="title-container">
        <h3 class="title">
          <img src="@/assets/common/login-logo.png" alt="">
        </h3>
      </div>

      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <!-- <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="Username"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        /> -->
        <!-- 手机号校验 -->
        <el-input
          v-model="loginForm.mobile"
          placeholder="手机号"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <!-- <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        /> -->
        <!-- 密码校验 -->
        <el-input
          v-model="loginForm.password"
          placeholder="密码"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>

      <el-button
        class="loginBtn"
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleLogin"
      >登录</el-button>

      <div class="tips">
        <span style="margin-right:20px;">账号: 13800000002</span>
        <span> 密码: 123456</span>
      </div>
    </el-form>
  </div>
</template>

<script>
// 导入调用utils/validate的校验规则
import { validMobile } from '@/utils/validate'
// 视图层导入方法,直接调用
import { login } from '@/api/user'
// 导入vuex-user
// vuex要导入整个,包含了子仓库
import store from '@/store'
// import { login } from "../../api/user";

// 获取第一次token时间
import { setTokenTime } from '@/utils/auth'
export default {
  name: 'Login',
  data() {
    // 定义自定义规则
    const validateMobile = (rule, value, callback) => {
      // 调用utils/validate的校验规则
      if (!validMobile(value)) {
        callback(new Error('请输入正确的手机号'))
      } else {
        callback()
      }
    }
    // const validatePassword = (rule, value, callback) => {
    //   if (value.length < 6) {
    //     callback(new Error('The password can not be less than 6 digits'))
    //   } else {
    //     callback()
    //   }
    // }
    return {
      loginForm: {
        mobile: '13800000002',
        password: '123456'
      },
      loginRules: {
        mobile: [
          { required: true, trigger: 'blur', message: '手机号不能为空' },
          /* validator 调用自定义规则:validateUsername*/
          { required: true, trigger: 'blur', validator: validateMobile }
        ],
        password: [
          { required: true, trigger: 'blur', message: '密码不能为空' },
          // { required: true, trigger: 'blur', validator: validatePassword }
          // 利用change事件,完成动态检测
          { min: 6, max: 10, trigger: ['blur', 'change'], message: '请输入6到10位的密码' }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      // 1.点击登录,完成绑定事件
      // 2.兜底校验.利用refs.validate
      // 两个都通过时,valid才为真
      this.$refs.loginForm.validate(async(valid) => {
        // 2.1 兜底失败,停止程序
        if (!valid) return
        // 2.2兜底成功
        // 3.发送ajax
        //
        // 调用login方法,传入参数
        // promise对象利用try()catch()来处理
        // const res = await login(this.loginForm)
        // console.log(res)
        // console.log('1')
        try {
          const res = await login(this.loginForm)
          console.log(res)
          // console.log('1')

          // 4成功,就保存token到vuex中
          // this.$store.commit("命名空间/mutations名"，载荷)
          // 并且把token放到响应拦截器里面
          store.commit('user/updataToken', res.data)

          // 点击登录时,获取token时间
          setTokenTime(Date.now())
          // 去哪里要看 route.query里面的   回来要看toute.fullPath里面的
          console.log('route/login', this.$route)
          // 5.成功后,页面跳转
          // 路由导航守卫
          // const url = this.$route.query.url
          // 可以回退到退出时的界面
          this.$router.push(this.$route.query.url || '/')
        } catch (error) {
          // 错误信息,是拦截器抛出的
          // 这里只是做处理,而不会导致程序崩溃
          console.log('登录错误，原因是', error)
        }
        // 因为axios是异步的,所以配合async await方法使用
        // this.loading = true;
        // this.$store
        //   .dispatch("user/login", this.loginForm)
        //   .then(() => {
        //     this.$router.push({ path: this.redirect || "/" });
        //     this.loading = false;
        //   })
        //   .catch(() => {
        //     this.loading = false;
        //   });

        // 封装axios,可以利用函数调用
        // 传入参数
        // const { data: res } = await login(this.loginForm)
        // console.log(res)
        // }
        // else {
        //   console.log("error submit!!");
        //   return false;
        // }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    // background: rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.7); // 输入登录表单的背景色
    border-radius: 5px;
    color: #454545;
  }

  /* reset element-ui css */
  //表单验证错误时,错误信息的颜色
.el-form-item__error {
	color: #fff
}
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
// $light_gray: #eee;
$light_gray: #68b0fe;  // 将输入框颜色改成蓝色

.login-container {
    background-image: url('~@/assets/common/login.jpg'); // 设置背景图片
  background-position: center; // 将图片位置设置为充满整个屏幕
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;
//el-button在login-container里面
.loginBtn {
  background: #407ffe;
  height: 64px;
  line-height: 32px;
  font-size: 24px;
}
  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
